In the 1990s significant numbers of tourists traveled from N

In the 1990s, significant numbers of tourists traveled from North America and Asia to Australia and South Africa. In 1998, a total of 2,228,000 of these tourists visited Australia, while391,000 of them visited South Africa. Also, 630,000 of these tourists came from North America, and a total of 2,619,000 tourists traveled from these two regions to these two destinations. (Assume no single tourist visited both destinations or traveled from both North America and Asia.)

(a) The given information is not sufficient to determine the number of tourists from each region to each destination. Why?

(b) If you were given the additional information that a total of 1,989,000 tourists came from Asia, would you now be able to determine the number of tourists from each region to each destination?

If so, what are these numbers? (If the given information is not sufficient, enter NONE in all answer blanks.)

(c) If you were given the additional information that 200,000 tourists visited South Africa from Asia, would you now be able to determine the number of tourists from each region to each destination?

If so, what are these numbers? (If the given information is not sufficient, enter NONE in all answer blanks.)

Solution

Solution: a]: the given informetion is sufficient, the system has one solution

given total no. of tourist is 2619000

tourist came from north america is 630000 & from Asia is 1989000

and visited to australia is 2228000 & visited to south africa is 391000

b]: none

c]: none